[Spice-devel] [PATCH xf86-video-qxl v2 cleanup 5/6] qxl_ring: remove volatile. doesn't accomplish anything the mem_barrier doesn't also accomplish, and removes warnings when using memcpy
Alon Levy
alevy at redhat.com
Tue Apr 24 02:21:26 PDT 2012
---
src/qxl_ring.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/qxl_ring.c b/src/qxl_ring.c
index 7a11fbb..d701791 100644
--- a/src/qxl_ring.c
+++ b/src/qxl_ring.c
@@ -42,7 +42,7 @@ struct ring
struct qxl_ring
{
- volatile struct ring *ring;
+ struct ring *ring;
int element_size;
int n_elements;
int io_port_prod_notify;
@@ -62,7 +62,7 @@ qxl_ring_create (struct qxl_ring_header *header,
if (!ring)
return NULL;
- ring->ring = (volatile struct ring *)header;
+ ring->ring = (struct ring *)header;
ring->element_size = element_size;
ring->n_elements = n_elements;
ring->io_port_prod_notify = io_port_prod_notify;
@@ -74,8 +74,8 @@ void
qxl_ring_push (struct qxl_ring *ring,
const void *new_elt)
{
- volatile struct qxl_ring_header *header = &(ring->ring->header);
- volatile uint8_t *elt;
+ struct qxl_ring_header *header = &(ring->ring->header);
+ uint8_t *elt;
int idx;
while (header->prod - header->cons == header->num_items)
@@ -107,8 +107,8 @@ Bool
qxl_ring_pop (struct qxl_ring *ring,
void *element)
{
- volatile struct qxl_ring_header *header = &(ring->ring->header);
- volatile uint8_t *ring_elt;
+ struct qxl_ring_header *header = &(ring->ring->header);
+ uint8_t *ring_elt;
int idx;
if (header->cons == header->prod)
--
1.7.10
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